package Demo;

public class SingletonLazy {
    private static volatile SingletonLazy instance = null;
    private SingletonLazy(){

    }
    public static SingletonLazy getInstance(){
        if (instance == null) {
            synchronized (SingletonLazy.class) {
                if (instance == null){
                    instance = new SingletonLazy();
                }
            }
        }
        return instance;
    }
}
